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Bootstrap Farmer

4 Cell Plug Tray Inserts

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  • Buy 8 for C$2.36 each and save 9%
  • Buy 40 for C$2.00 each and save 23%
  • Buy 80 for C$1.79 each and save 31%
  • Information


Proudly made in the USA, these larger 4-cell plug inserts are deeper for growing varieties of crops that need a little more room. Eight of these removable inserts fit in a Bootstrap Farmer 1020 tray. Made out of food-safe, heavy-duty polypropylene plastic and built to last many seasons. Color code your seedlings in these insert plug trays.

Available in black, blue, green, purple, pink, orange, and multi-color packs.


  • Made from FDA Prime Grade Extra Strength Polypropylene (#5 BPA free) plastic
  • Extra Large 3/4" Drainage Hole makes for an effortless seedling removal. 
  • These 4 Cell Inserts are designed with Air Prune technology. Air channels are added on each side to prevent root circling. Air-pruned roots are shown to provide healthier and more vigorous growth. 
  • Proudly made in the USA, our Seed trays are guaranteed to last at least two years.
  • Eight inserts fit per 1020 tray, 4 inserts fit in a 1010
  • Perfect for up-potting peppers and tomatoes.



  • Seed tray insert 5 1/4" x 5 1/4" x 4" tall 
  • Each cell in the tray insert is 2 3/8" on top, which tapers down to 1 1/4" at the bottom.
  • Air pruning slits measure - 2 1/2" long -  slit width is 1/8"


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